Ford Mustang S550 GT350 Style Matte Black Rear Bumper Diffuser Dual Exhaust 2018-2023

Upgrade the rear styling and aerodynamic presence of your 2018-2023 Ford Mustang S550 with this GT350 style rear bumper diffuser. Designed for models equipped with dual exhaust tips, this diffuser enhances the aggressive rear profile while maintaining a clean OEM+ appearance.

Engineered as part of a GT350 conversion style package, this rear diffuser integrates seamlessly with the factory bumper. It improves airflow beneath the vehicle and adds a more performance-oriented look, giving your Mustang a track-inspired rear-end upgrade without requiring extensive modification.

Constructed from durable ABS plastic, this diffuser offers excellent strength and long-term durability. The matte black finish provides a subtle yet aggressive appearance that blends seamlessly with factory trim, making it ideal for both daily driving and performance builds.

Product Specifications

Key Features

• Designed for 2018-2023 Ford Mustang S550 models with dual exhaust tips
• GT350 style rear diffuser for a track-inspired appearance
• Enhances rear aerodynamics and airflow under the vehicle
• Improves rear-end styling with a more aggressive profile
• Durable ABS plastic construction for long-lasting performance
• Matte black finish blends seamlessly with factory trim
• Precision fitment for OEM-style integration
• Resistant to weather, heat, and road debris
• Suitable for daily driving and performance builds
• Direct bolt-on installation

Configuration Options

• Matte Black – Subtle OEM-style finish with aggressive styling

Package Includes

• Rear bumper lower diffuser

Note: Designed for models equipped with dual exhaust tips only. Professional installation is recommended for proper alignment.

Installation

• Direct bolt-on installation
• Uses factory mounting points
• No cutting required
• No permanent modification required
• Ensure proper alignment before tightening
• Professional installation recommended

Fitment

• 2018-2023 Ford Mustang S550 EcoBoost (Dual Exhaust Only)
• 2018-2023 Ford Mustang S550 GT
• 2018-2023 Ford Mustang S550 GT Premium
• Fits models equipped with dual exhaust tips only

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!

• Complete Headlights: 3-5 business days for order processing plus shipping time.
• Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
• New OEM and cores: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.